Prof Ripley and Andy Liaw, Thanks for you quick replies! As always, I really appreciate it!
They are exactly what I looked for, but unique() was new to me. Tord At 09:25 2003-02-05 -0500, you wrote: >Is the following what you're looking for? > >> try.dat > ObjektID BalteNummer Baltessegment >1 S.13 S.13.1 S.13.1.2 >2 S.13 S.13.1 S.13.1.3 >3 S.13 S.13.2 S.13.2.1 >4 S.13 S.13.2 S.13.2.2 >5 S.13 S.13.2 S.13.2.3 >6 S.13 S.13.3 S.13.3.6 >7 S.13 S.13.3 S.13.3.7 >8 S.13 S.13.3 S.13.3.8 >9 S.13 S.13.3 S.13.3.9 >> unique(try.dat[,-3]) > ObjektID BalteNummer >1 S.13 S.13.1 >3 S.13 S.13.2 >6 S.13 S.13.3 > > >Andy > >> -----Original Message----- >> From: Tord Snall [mailto:[EMAIL PROTECTED]] >> Sent: Wednesday, February 05, 2003 9:08 AM >> To: [EMAIL PROTECTED] >> Subject: [R] simplify a data frame >> >> >> Dear all, >> For the past three hours I have tried simplify a data frame. >> I would be >> really happy if someone could help solving this, I'm sure >> simple, problem. >> >> I want to "aggregate" the data frame: >> >> ObjektID BalteNummer Baltessegment >> S.13 S.13.1 S.13.1.2 >> S.13 S.13.1 S.13.1.3 >> S.13 S.13.2 S.13.2.1 >> S.13 S.13.2 S.13.2.2 >> S.13 S.13.2 S.13.2.3 >> S.13 S.13.3 S.13.3.6 >> S.13 S.13.3 S.13.3.7 >> S.13 S.13.3 S.13.3.8 >> S.13 S.13.3 S.13.3.9 >> >> >> so that the results look likte this: >> >> >> ObjektID BalteNummer >> S.13 S.13.1 >> S.13 S.13.2 >> S.13 S.13.3 >> >> There are in fact many ObjektID. >> >> >> Thanks in advance! >> >> >> Sincerely >> Tord >> >> -------------------------------------------------------------- >> --------- >> Tord Sn�ll >> Avd. f v�xtekologi, Evolutionsbiologiskt centrum, Uppsala universitet >> Dept. of Plant Ecology, Evolutionary Biology Centre, Uppsala >> University >> Villav�gen 14 >> SE-752 36 Uppsala, Sweden >> Tel: 018-471 28 82 (int +46 18 471 28 82) (work) >> Tel: 018-25 71 33 (int +46 18 25 71 33) (home) >> Fax: 018-55 34 19 (int +46 18 55 34 19) (work) >> E-mail: [EMAIL PROTECTED] >> Check this: http://www.vaxtbio.uu.se/resfold/snall.htm! >> -------------------------------------------------------------- >> ---------- >> >> ______________________________________________ >> [EMAIL PROTECTED] mailing list >> http://www.stat.math.ethz.ch/mailman/listinfo/r-help >> > >--------------------------------------------------------------------------- --- >Notice: This e-mail message, together with any attachments, contains information of Merck & Co., Inc. (Whitehouse Station, New Jersey, USA) that may be confidential, proprietary copyrighted and/or legally privileged, and is intended solely for the use of the individual or entity named on this message. If you are not the intended recipient, and have received this message in error, please immediately return this by e-mail and then delete it. > >=========================================================================== === > > ----------------------------------------------------------------------- Tord Sn�ll Avd. f v�xtekologi, Evolutionsbiologiskt centrum, Uppsala universitet Dept. of Plant Ecology, Evolutionary Biology Centre, Uppsala University Villav�gen 14 SE-752 36 Uppsala, Sweden Tel: 018-471 28 82 (int +46 18 471 28 82) (work) Tel: 018-25 71 33 (int +46 18 25 71 33) (home) Fax: 018-55 34 19 (int +46 18 55 34 19) (work) E-mail: [EMAIL PROTECTED] Check this: http://www.vaxtbio.uu.se/resfold/snall.htm! ------------------------------------------------------------------------ ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
